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Reducing memory usage - Firefox. From MozillaZine Knowledge Base (Redirected from Memory Leak) For most users, Firefox doesn't use an abnormally large amount of memory. For others, however, Firefox's memory consumption is a major problem. This article discusses how to lower Firefox's memory consumption. Firefox caches objects for future use. In addition, memory becomes fragmented as memory is repeatedly allocated and deallocated.[1] This general increase is normal.

Normal Firefox memory usage reported by Windows might be as high as 100-150 MB. Extensions and themes Observing memory usage while Firefox is in safe mode may help tell you whether one of your extensions or themes is causing memory problems (but will not uncover memory usage by #Plugins). Plugins Plugins can cause Firefox to use more memory when they're used and may not release their memory until Firefox is closed.

System extensions Image-heavy sites Web sites with a lot of large images can require very large amounts of memory. Settings that reduce memory usage. Mozilla Story. Firebug. Download Statusbar. Adblock Plus — for annoyance-free web surfing. DownloadHelper - Media download Firefox extension. NoScript - JavaScript/Java/Flash blocker for a safer Firefox experience! - what is it? - InformAction.

Screengrab. BetterPrivacy. Local Shared Object. Local shared objects (LSOs), commonly called Flash cookies (due to their similarities with HTTP cookies), are pieces of data that websites which use Adobe Flash may store on a user's computer. Local shared objects have been used by all versions of Flash Player (developed by Macromedia, which was later acquired by Adobe Systems) since version 6.[1] Flash cookies, which can be stored or retrieved whenever a user accesses a page containing a Flash application, are a form of local storage.

Similar to that of cookies, they can be used to store user preferences, save data from flash games, or to track users' Internet activity.[2] LSOs have been criticised as a breach of browser security, but there are browser settings and addons to limit the duration of their storage. Storage[edit] Local shared objects contain data stored by individual websites. With the default settings, the Flash Player does not seek the user's permission to store local shared objects on the hard disk.

Privacy concerns[edit] CookieCuller. Selectivecookiedelete. Lazarus: Form Recovery. Mozilla | Firefox web browser & Thunderbird email client. Firefox optimization and troubleshooting thread. User:Sardisson/Gecko is Gecko. A rough draft of some thoughts on what to tell web designers and web application developers about browser sniffing and Gecko browsers Many designers and developers tailor their websites to specific browsers and then use user-agent sniffing to send different bits of code to different browsers.

This is a poor practice for a number of reasons: Browsers you’ve never heard of Browsers that get renamed Browsers that switch rendering engines Robots and search engines Web-enabled desktop applications … Developing for Web Standards In a perfect world, authors would simply write for the web standards and every browser would “just work.” Unfortunately, we live in a world where all browsers have bugs and holes in their standards support (some more than others), and there are significant segments of the world's web users who continue to use older versions of browsers that are even more buggy and have more limited support for web standards than the current generation of browsers.

User-Agent Sniffing. Hadopi-Explorer.